.concern {
    background: rgb(249, 249, 249);
    height: 100vh;
}

.concern-header {
    position: relative;
}

.concern-header h1 {
    background: white;
    text-align: center;
    height: 50px;
    line-height: 50px;
}

.concern-header span {
    position: absolute;
    left: 10px;
    top: 0;
    height: 50px;
    line-height: 50px;
    font-size: 20px;
    color: #333;
    font-weight: 700;
}

.concern-content-item {
    width: 90%;
    margin-top: 10px;
    margin-left: 5%;
    background: white;
    padding-top: 20px;
    padding-bottom: 20px;
}

.concern-content-item-left {
    overflow: hidden;
    position: relative;
}

.concern-content-item img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-top: 10px;
    margin-left: 10px;
    float: left;
}

.concern-content h2 {
    font-size: 18px;
    font-weight: 700;
    color: #333;
}
.concern-content h3 {
    font-size: 14px;
    font-weight: 700;
    color: #666;
    margin-top: 10px;
    height: 50px;
    line-height: 50px;
}

.concern-content p {
    color: #666;
    line-height: 30px;
}

.concern-content .tag {
    position: absolute;
    top: 0;
    right: 0;
    border-radius: 50%;
    text-align: center;
    line-height: 50px;
    width: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.concern-content .tag span {
    height: 20px;
    font-size: 12px;
    padding: 0 5px;
}

.concern-content .btn{
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: 5px;
    color: white;
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 100px;
    font-size: 14px;
    font-weight: 700;
}